UV Index in Bulnes, Chile

Last updated: June 2, 2025

Understanding the UV Index is essential for residents and visitors of Bulnes, Chile, as it plays a crucial role in ensuring skin health and preventing sunburn. With a Csb climate that offers mild summers and cool, moist winters, it's important to recognize that even on less sunny days, UV exposure can be significant. By familiarizing yourself with local UV levels, typically peaking at 3 around midday, you can take proactive steps to safeguard your skin and enjoy the outdoors responsibly. Remember, knowledge of the UV Index is your first line of defense against harmful ultraviolet radiation!

Hourly UV Index in Bulnes

The UV Index throughout the day showcases a gradual rise and fall in intensity. Starting at a cool 0 at 07:00, the index slowly climbs, reaching 1 by 08:00 and staying steady until 10:00. A noticeable upswing occurs around 11:00, peaking at 3 from 12:00 to 13:00, signaling the peak sun exposure hours. As the afternoon rolls in, the index dips back to 2 between 14:00 and 15:00, before declining again to 1 by 16:00. Finally, the day winds down with a return to 0 by 18:00, ensuring a safe evening for outdoor activities. Remember to protect your skin during those peak hours!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	0	low	45 min
08:00	1	low	45 min
09:00	1	low	45 min
10:00	1	low	45 min
11:00	2	low	45 min
12:00	3	moderate	30 min
13:00	3	moderate	30 min
14:00	2	low	45 min
15:00	2	low	45 min
16:00	1	low	45 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Bulnes

Throughout the year, UV levels exhibit significant seasonal variability, with the highest risks occurring during the winter and late fall months. January and December both record an extreme UV Index of 14, with a burn time of just 10 minutes, making these months particularly hazardous for sun exposure. February follows closely with a UV Index of 13. The high-risk months for UV exposure are thus identified as November through March, when UV levels remain consistently extreme to very high (UV Index 10 or above). Residents and visitors should take precautionary measures during these months, such as wearing protective clothing, utilizing sunscreen, and seeking shade, especially during midday hours when sun intensity peaks. As the year progresses into June, July, and August, the UV Index drops to moderate levels, allowing for safer outdoor activities, but still necessitating basic sun safety practices.

Monthly Maximum UV Index for Bulnes, Chile

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Bulnes. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Bulnes, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Bulnes UV Index with Other Chile Cities

The table above highlights how UV exposure in Bulnes compares to other major locations across Chile. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Bulnes's solar exposure compared to other cities in Chile. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Bulnes	14	13	10	7	5	3	4	5	7	10	13	14
Santiago UVI	14	12	11	7	5	3	4	6	8	11	12	14
Valparaiso UVI	14	12	11	8	5	4	4	6	8	11	12	14
Vina del Mar UVI	14	12	11	8	5	4	4	6	8	11	12	14
Puente Alto UVI	15	14	12	8	6	4	6	8	11	12	14	15
Antofagasta UVI	15	15	13	10	8	6	7	9	11	14	15	15